:root {
  --ink: #10214b;
  --ink-soft: #51607e;
  --accent: #f26522;
  --accent-dark: #d15415;
  --navy: #0d1b3e;
  --navy-2: #14265c;
  --bg: #ffffff;
  --bg-alt: #f4f6fb;
  --line: #e3e8f2;
  --radius: 14px;
  --shadow: 0 8px 24px rgba(13, 27, 62, 0.08);
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
a { color: var(--accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.25; }

/* ===== Header ===== */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
  padding: 0.7rem 1.5rem;
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px); z-index: 10;
}
.brand { display: flex; align-items: center; gap: 0.8rem; }
.brand:hover { text-decoration: none; }
.brand-logo { height: 46px; width: auto; }
.brand-tag { font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.18em; color: var(--accent); font-weight: 700; max-width: 9rem; line-height: 1.4; }
.mainnav { display: flex; gap: 1.3rem; flex-wrap: wrap; order: 2; }
.mainnav a { color: var(--ink); font-weight: 600; font-size: 0.93rem; }
.mainnav a.active, .mainnav a:hover { color: var(--accent); text-decoration: none; }
.brand { order: 1; }
.btn-nav { order: 3; }
.nav-toggle, .nav-burger { display: none; }

@media (max-width: 940px) {
  .topbar { padding: 0.6rem 1rem; }
  .nav-burger {
    display: block; order: 3; font-size: 1.45rem; line-height: 1;
    cursor: pointer; color: var(--ink); padding: 0.3rem 0.5rem;
    border: 1px solid var(--line); border-radius: 8px; user-select: none;
  }
  .btn-nav { order: 2; margin-left: auto; padding: 0.45rem 0.9rem; font-size: 0.85rem; }
  .mainnav { display: none; order: 4; width: 100%; flex-direction: column; gap: 0.15rem; padding-top: 0.5rem; }
  .mainnav a { padding: 0.55rem 0.2rem; border-bottom: 1px solid var(--line); font-size: 1rem; }
  .mainnav a:last-child { border-bottom: none; }
  .nav-toggle:checked ~ .mainnav { display: flex; }
}

/* ===== Buttons ===== */
.btn {
  display: inline-block; border-radius: 10px; padding: 0.65rem 1.35rem;
  font-weight: 700; font-size: 0.95rem; border: 2px solid transparent;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-outline { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-outline:hover { border-color: var(--ink); }
.btn-nav { background: var(--navy); color: #fff; padding: 0.55rem 1.2rem; }
.btn-nav:hover { background: var(--navy-2); }
.btn-ghost { color: #fff; border-color: rgba(255,255,255,0.5); }
.btn-ghost:hover { border-color: #fff; }
.prose .btn { color: #fff; background: var(--accent); }

/* ===== Hero (home, light) ===== */
.hero-light {
  background:
    radial-gradient(60rem 30rem at 85% 10%, rgba(242,101,34,0.08), transparent 60%),
    linear-gradient(150deg, #f7f9fd 0%, #eef2fa 55%, #e6ecf7 100%);
  padding: 4.5rem 1.5rem;
}
.hero-grid {
  max-width: var(--max); margin: 0 auto;
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 2.5rem; align-items: center;
}
@media (max-width: 800px) { .hero-grid { grid-template-columns: 1fr; gap: 0; } }
.hero-copy h1 {
  margin: 0 0 1rem; font-size: clamp(2.1rem, 4.6vw, 3.4rem);
  font-weight: 800; letter-spacing: -0.015em;
}
.hero-copy h1 em { font-style: normal; color: var(--accent); }
.hero-copy .hero-sub { max-width: 34rem; color: var(--ink-soft); font-size: 1.12rem; margin: 0 0 1.8rem; }
.hero-ctas { display: flex; gap: 0.8rem; flex-wrap: wrap; margin: 0; }
.hero-visual { position: relative; padding-right: 7.5rem; }
.hero-visual img {
  display: block; width: 100%; max-height: 480px; object-fit: cover;
  border-radius: 18px; box-shadow: var(--shadow);
}
.hero-chips {
  position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 0.9rem; width: 15.5rem;
}
.hero-chip {
  background: rgba(13, 27, 62, 0.93); color: #dbe4f5;
  border-radius: var(--radius); padding: 0.85rem 1.05rem;
  box-shadow: 0 10px 26px rgba(13, 27, 62, 0.28);
}
.hero-chip h5 {
  margin: 0 0 0.2rem; color: #fff; font-size: 0.76rem;
  text-transform: uppercase; letter-spacing: 0.12em;
}
.hero-chip p { margin: 0; font-size: 0.83rem; line-height: 1.45; }

@media (max-width: 800px) {
  .hero-light { padding: 2.6rem 1.2rem 2.2rem; }
  .hero-copy h1 { font-size: clamp(1.9rem, 8vw, 2.4rem); }
  .hero-ctas .btn { width: 100%; text-align: center; }
  .hero-visual { padding-right: 0; margin-top: 1.6rem; }
  .hero-visual img { max-height: 320px; width: 100%; object-position: top; }
  .hero-chips {
    position: static; transform: none; width: auto;
    flex-direction: row; flex-wrap: wrap; gap: 0.6rem; margin-top: 0.8rem;
  }
  .hero-chip { flex: 1 1 14rem; }
}

/* ===== Page head (inner pages, navy) ===== */
.hero, .page-head {
  padding: 3.5rem 1.5rem 2.8rem; text-align: center;
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 65%, #1d347a 100%);
  color: #fff;
}
.page-head.with-hero { background-size: cover; background-position: center; background-blend-mode: multiply; background-color: rgba(13,27,62,0.8); }
.page-head h1 { margin: 0 0 0.5rem; color: #fff; font-size: clamp(1.7rem, 4vw, 2.6rem); font-weight: 800; }
.page-head .hero-sub, .hero .hero-sub { max-width: 720px; margin: 0 auto; color: #c6d2ea; font-size: 1.08rem; }
.page-head a { color: #ffc39a; }

/* ===== Sections ===== */
main { min-height: 50vh; }
.band { max-width: var(--max); margin: 0 auto; padding: 2.8rem 1.5rem; }
.band.alt { max-width: none; background: var(--bg-alt); }
.band.alt > * { max-width: var(--max); margin-left: auto; margin-right: auto; }
.band-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.band-head h2 { margin: 0 0 1.4rem; font-size: 1.6rem; }
.more { font-weight: 700; white-space: nowrap; }
.eyebrow {
  margin: 0 0 0.3rem; color: var(--accent); font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.78rem;
}
.band-note { text-align: center; color: var(--ink-soft); margin-top: 1.8rem; font-size: 1.02rem; }

.prose { max-width: 840px; margin: 0 auto; padding: 2rem 1.5rem; }
.prose h2 { margin-top: 2.2rem; }
.prose h2::after { content: ""; display: block; width: 3.2rem; height: 3px; background: var(--accent); border-radius: 2px; margin-top: 0.35rem; }
.prose img { border-radius: 10px; margin: 0.6rem 0; }
.home-body { padding-top: 2.5rem; }

/* ===== Proof strip ===== */
.proof-band { padding-top: 0; margin-top: -2.2rem; position: relative; z-index: 2; }
.proof-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 0.9rem; }
.proof-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1rem 1.1rem; box-shadow: var(--shadow); text-align: center;
}
.proof-card h5 { margin: 0.35rem 0 0.25rem; font-size: 0.92rem; }
.proof-card p { margin: 0; font-size: 0.8rem; color: var(--ink-soft); line-height: 1.4; }
.proof-dot {
  display: inline-block; width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 4px rgba(242,101,34,0.15);
}

/* ===== Cards ===== */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.2rem; }
.card {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 1.15rem 1.25rem;
  background: #fff; transition: box-shadow 0.15s ease, transform 0.15s ease;
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.card h3 { margin: 0.3rem 0 0.5rem; font-size: 1.08rem; }
.card h3 a { color: var(--ink); }
.card-date { margin: 0; font-size: 0.78rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 700; }
.card-body { font-size: 0.92rem; color: var(--ink-soft); }
.card-body p { margin: 0.3rem 0; }
.card-img { border-radius: 8px; margin-bottom: 0.6rem; aspect-ratio: 16/10; object-fit: cover; width: 100%; }

/* ===== Program cards ===== */
.program-cards { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.program-card { display: flex; flex-direction: column; padding: 0; overflow: hidden; }
.program-card-body { padding: 1.3rem 1.4rem 1rem; flex: 1; }
.program-card-text { flex: 1; min-width: 0; }
.program-card-banner {
  display: block; width: 100%; aspect-ratio: 16 / 9;
  object-fit: cover; object-position: center;
}
.program-card h3 { font-size: 1.25rem; margin: 0 0 0.2rem; }
.program-summary { color: var(--ink-soft); font-size: 0.93rem; margin: 0.6rem 0; }
.checklist { list-style: none; margin: 0.6rem 0 0; padding: 0; }
.checklist li { padding: 0.22rem 0 0.22rem 1.6rem; position: relative; font-size: 0.92rem; }
.checklist li::before {
  content: "✓"; position: absolute; left: 0; top: 0.18rem;
  width: 1.1rem; height: 1.1rem; border-radius: 50%;
  background: rgba(242,101,34,0.14); color: var(--accent-dark);
  font-size: 0.7rem; font-weight: 800; display: flex; align-items: center; justify-content: center;
}
.program-card-status {
  padding: 0.7rem 1.4rem; color: #fff; font-weight: 700; font-size: 0.85rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.program-card-status::before { content: "📊"; font-size: 0.9rem; }
.status-prospective-study { background: #157347; }
.status-clinical-validation { background: #0f5132; }
.status-research { background: #5b3fa8; }
.status-retrospective-validation { background: var(--navy); }
.status-partner-ready { background: var(--accent-dark); }

/* ===== Partner strip ===== */
.partner-band { padding-top: 1.6rem; padding-bottom: 1.6rem; }
.partner-strip { display: flex; align-items: center; gap: 2rem; flex-wrap: wrap; }
.partner-lead { max-width: 12rem; font-weight: 700; color: var(--ink); margin: 0; font-size: 0.95rem; }
.partner-list { list-style: none; display: flex; flex-wrap: wrap; gap: 0.9rem 2.2rem; margin: 0; padding: 0; flex: 1; align-items: center; }
.partner-list li { color: var(--ink-soft); font-weight: 700; font-size: 1.02rem; letter-spacing: 0.02em; }

/* ===== News ===== */
.news-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.news-col-title { border-bottom: 3px solid var(--accent); padding-bottom: 0.3rem; }
.news-list { list-style: none; margin: 0; padding: 0; }
.news-list li { padding: 0.65rem 0; border-bottom: 1px solid var(--line); }
.news-list a { font-weight: 600; color: var(--ink); }
.news-list a:hover { color: var(--accent); }
.news-meta { display: block; font-size: 0.78rem; color: var(--ink-soft); margin-top: 0.15rem; }
.news-summary { margin: 0.35rem 0 0; font-size: 0.9rem; color: var(--ink-soft); }
.news-list.large li { padding: 0.9rem 0; }

/* ===== Tabs ===== */
.tabs { display: flex; gap: 0.5rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.tab {
  border: 1px solid var(--line); background: #fff; border-radius: 999px;
  padding: 0.45rem 1.2rem; font-size: 0.95rem; cursor: pointer; color: var(--ink-soft); font-weight: 600;
}
.tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ===== Timeline ===== */
.timeline { max-width: 840px; margin: 0 auto; }
.timeline-item { border-left: 3px solid var(--accent); padding: 0 0 1.8rem 1.4rem; position: relative; }
.timeline-item::before {
  content: ""; position: absolute; left: -8px; top: 0.35rem;
  width: 13px; height: 13px; border-radius: 50%; background: var(--accent);
}
.timeline-item .prose { padding: 0; max-width: none; }

/* ===== Badges ===== */
.badge {
  display: inline-block; border-radius: 999px; padding: 0.18rem 0.75rem;
  font-size: 0.74rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.05em;
  background: #e3e8f2; color: var(--ink-soft);
}
.badge-clinical-validation { background: #dcfce7; color: #166534; }
.badge-prospective-study { background: #d1fae5; color: #065f46; }
.badge-retrospective-validation { background: #e0e7ff; color: #3730a3; }
.badge-research { background: #ede9fe; color: #5b21b6; }
.badge-partner-ready { background: #ffedd5; color: #9a3412; }

/* ===== Program matrix / detail ===== */
.table-wrap { overflow-x: auto; }
.matrix { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.matrix th, .matrix td { text-align: left; padding: 0.7rem 0.8rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.matrix th { font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-soft); }
.program-facts { display: grid; grid-template-columns: max-content 1fr; gap: 0.3rem 1.2rem; margin: 0 0 1.5rem; }
.program-facts dt { font-weight: 800; color: var(--ink-soft); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.05em; }
.program-facts dd { margin: 0; }
.status-note { font-size: 0.85rem; color: var(--ink-soft); border-left: 3px solid var(--line); padding-left: 0.8rem; }

/* ===== CTA band + footer ===== */
.cta-band { background: linear-gradient(140deg, var(--navy) 0%, var(--navy-2) 70%, #1d347a 100%); color: #dbe4f5; padding: 3rem 1.5rem; }
.cta-band-inner {
  max-width: var(--max); margin: 0 auto;
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 2.5rem; align-items: center;
}
@media (max-width: 800px) { .cta-band-inner { grid-template-columns: 1fr; } }
.cta-band h2 { color: #fff; margin: 0 0 0.6rem; font-size: 1.7rem; }
.cta-band-text p { margin: 0 0 1.3rem; }
.cta-band-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
@media (max-width: 500px) { .cta-band-cols { grid-template-columns: 1fr; } }
.cta-band-cols h4 { color: #fff; margin: 0 0 0.25rem; font-size: 1rem; }
.cta-band-cols p { margin: 0; font-size: 0.85rem; color: #aebbd8; }

.footer { border-top: 1px solid rgba(255,255,255,0.08); background: var(--navy); color: #aebbd8; padding: 2.5rem 1.5rem 1.5rem; }
.footer a { color: #ffc39a; }
.footer-grid { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.5rem; }
.footer h4 { color: #fff; margin: 0 0 0.5rem; }
.footer p { margin: 0.25rem 0; font-size: 0.9rem; }
.disclaimer { max-width: var(--max); margin: 1.8rem auto 0; font-size: 0.78rem; color: #74869e; text-align: center; }
.copyright { text-align: center; margin-top: 1.2rem; font-size: 0.8rem; color: #64748b; }

.empty { color: var(--ink-soft); font-style: italic; }
.post-img { border-radius: 10px; margin-bottom: 1.2rem; }

/* ===== Small-screen polish ===== */
@media (max-width: 640px) {
  .band { padding: 1.9rem 1.1rem; }
  .prose { padding: 1.5rem 1.1rem; }
  .band-head h2 { font-size: 1.35rem; }
  .proof-band { margin-top: -1.2rem; }
  .proof-cards { grid-template-columns: repeat(2, 1fr); }
  .proof-card:last-child { grid-column: 1 / -1; }
  .program-facts { grid-template-columns: 1fr; gap: 0 0; }
  .program-facts dd { margin-bottom: 0.6rem; }
  .partner-strip { gap: 0.8rem; }
  .partner-lead { max-width: none; }
  .partner-list { gap: 0.5rem 1.4rem; }
  .partner-list li { font-size: 0.9rem; }
  .cta-band { padding: 2.2rem 1.2rem; }
  .cta-band h2 { font-size: 1.35rem; }
  .matrix { font-size: 0.85rem; }
  .page-head { padding: 2.4rem 1.2rem 2rem; }
}